Volume 9, Number 11—November 2003
Research
Ebola Hemorrhagic Fever Transmission and Risk Factors of Contacts, Uganda1
Paolo Francesconi*, Zabulon Yoti†, Silvia Declich*
, Paul Awil Onek‡, Massimo Fabiani*, Joseph Olango‡, Roberta Andraghetti*, Pierre E. Rollin§, Cyprian Opira†, Donato Greco*, and Stefania Salmaso*
, Paul Awil Onek‡, Massimo Fabiani*, Joseph Olango‡, Roberta Andraghetti*, Pierre E. Rollin§, Cyprian Opira†, Donato Greco*, and Stefania Salmaso*Table 3
Univariate analysis of risk factors for Ebola hemorrhagic fever related to patient care and the number of types of direct contact among 83 contacts, Gulu, Uganda, 2000
| Risk factors | No. cases (%) | Crude PPR (95%CI)a | p value |
|---|---|---|---|
| Cared for patient |
|||
| No |
2 (5.0) |
1 |
|
| Cared only during patient’s early stage |
6 (30.0) |
6.00 (1.33 to 27.10) |
|
| Cared until the patient’s death at hospital the hospital |
6 (42.9) |
8.57 (1.95 to 37.66) |
|
| Cared until the patient’s death at home |
6 (66.7) |
13.33 (3.20 to 55.59) |
<0.001 (for trend) |
| Number of types of direct contact |
|||
| No direct contact |
1 (16.7) |
1 |
|
| One type of direct contact |
1 (2.9) |
0.18 (0.01 to 2.45) |
|
| Two types of direct contact |
10 (32.3) |
1.94 (0.30 to 12.44) |
|
| Three types of direct contact | 8 (66.7) | 4.00 (0.64 to 25.02) | <0.001 (for trend) |
aPPR, prevalence proportion ratios; CI, confidence interval.
